Bump chiseltest from `4f5850c` to `f2b773b` (#125)

Bumps [chiseltest](https://github.com/ucb-bar/chisel-testers2) from `4f5850c` to `f2b773b`.
- [Release notes](https://github.com/ucb-bar/chisel-testers2/releases)
- [Commits](https://github.com/ucb-bar/chisel-testers2/compare/4f5850c072d59e664f34a882a48afd54327b8207...f2b773b7538d47f08ce4a626d60fb64bdf244e75

)

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Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>